I believe what you are looking for is called an open rose. I have a couple of books that I borrowed from the library so I looked to see if it had anything in them. They are all by Alan Dunn. In one, he does the rose like everyone else except for the final layer. Final layer he wires the petals. In another book he has something called an open rose. This one the petals are all individually wired and has stamens in the middle. That one is in the book called "the wedding cake Decorator's Bible". You may be able to get a copy from your local library. If you want me to email the directions to you, let me know.